U.S. Senator Mark Udall wants to declare a new national monument in Colorado. The Democratic senator plans to introduce legislation later this summer that would protect Brown’s Canyon. The proposal includes 22,000 acres along the Arkansas River between Salida and Buena Vista. As Lesley McClurg reports, the idea is stirring controversy.

Related studies from Headwater Economics: the economic value of western public lands, a study on how public lands influence per capita income, and the economic value of national monuments.